Superconductor technology: apparatus – material – process – Processes of producing or treating high temperature... – With melting
Patent
1994-02-09
1997-02-11
Kunemund, Robert
Superconductor technology: apparatus, material, process
Processes of producing or treating high temperature...
With melting
505729, 505450, 117 90, C30B 1520
Patent
active
056020805
ABSTRACT:
This method for manufacturing lattice-matched substrates for high-T.sub.c superconductors employs at least two materials chosen from the group of known suitable substrate materials, of which one has a lattice constant smaller than the lattice constant(s) of the perovskite subcell of the selected superconductor material, while the other one has a lattice constant greater than the lattice constant of the perovskite subcell of the selected superconductor. These materials are then powdered and mixed intimately for providing a single-crystal either from the molten mixture of the chosen materials or by thin film deposition, said single-crystal containing appropriate molar percentages of the chosen materials so that resulting lattice constant is essentially the same as that of the selected superconductor material.
REFERENCES:
patent: 5055445 (1991-10-01), Belt et al.
patent: 5070241 (1991-12-01), Jack
patent: 5082688 (1992-01-01), Agostinelli et al.
patent: 5097128 (1992-03-01), Jack
Bednorz Johannes G.
Mannhart Jochen D.
Mueller Carl A.
Schlom Darrell G.
International Business Machines - Corporation
Kunemund Robert
Morris Daniel P.
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